Finding the Fourth Proportional to 604,698.21, 834,517.98 and 346,618.08
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Solution
The fourth proportional to 604,698.21, 834,517.98 and 346,618.08 is: 478,352.70
Step by Step Solution
- Step 1: Write the proportion equation
604,698.21 : 834,517.98 = 346,618.08 : x - Step 2: Convert to fraction form
604,698.21/834,517.98 = 346,618.08/x - Step 3: Cross multiply
604,698.21x = 834,517.98 × 346,618.08 - Step 4: Simplify right side
604,698.21x = 289,259,019,953.08 - Step 5: Solve for x
x = 289,259,019,953.08/604,698.21 - Step 6: Final answer
x = 478,352.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.